Quantcast Chemical, Physical, and Biological Properties of Herbicides and Plant Growth Regulators -Cont. - mo3140102

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CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Common and
Acute Oral
Chemical Designations1
Toxicity,
(Cost per Pound; and
Dermal
Trade Name and
L D50 (mg/kg)
Manufacturer2
Commercial Formulation
Biological Information and Remarks
Toxicity
and Rating
Triclopyr
GARLON
A foliage-applied herbicide used selectively to control
713
moderately
[(3,5,6-trichloro-2-
Dow
many broadleaf herbaceous and woody plants with-
moderately
toxic
pyridinyl)oxy]acetic
toxic
out injury to grasses. It is also used as basal or cut
acid
surface treatments on woody plants. It is absorbed
($15.50/lb; emusifiable
by both foliage and roots of plants and translocated
ester, water solution
both up and down in plants. It accumulates in
of amine salt)
meristematic tissue. Its mode of action appears to be
similar to 2,4-D. It is not strongly absorbed in soil
and some leaching may occur in coarse soils under
high rainfall conditions. It is degraded by soil
microbes and is photodecomposed in water. Its
average half-life in soil is 46 days.
Trifluralin
A preemergence and preplanting soil-applied herbi-
TREFLAN
10,000
moderately
α , α , α -trifluoro-2-
TREFANOCIDE
slightly
toxic
cide used for control of annual weed grasses and
6-dinitro- N,N -dipropyl-
some broadleaf weeds in many field and horticultural
toxic
(Japan)
p -toluidine
crops and in ornamental plantings. Incorporation in
ELANCOLAN
($6.85/lb; emulsifiable
soil soon after treatment increases trifluralin's effec-
(West Germany)
concentrate, granules)
Elanco
tiveness. It is volatile at high temperatures. There is
no significant absorption and translocation of triflu-
ralin by plants. It does not directly affect seed
germination, but it affects physiological processes
associated with seed germination. Trifluralin is
strongly adsorbed on soil and shows negligible leach-
ing. It is degraded microbially, and material remain-
ing on the soil surface can be subject to photodecom-
position. It does not usually persist for more than
one season.
1
A chemical name occupying two lines separated by an equal (=) sign would be joined together without any separation if written on one line.
2
Mention of trade name or company is for information only, and does not constitute an endorsement over other products not mentioned.





 


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